Answer: A dichotomous key is a tool that allows the user to determine the identity of items and organisms in the natural world. It is the most widely used form of classification in the biological sciences because it offers the user a quick and easy way of identifying unknown organisms.
Explanation:
which two scientists are credited for the invention of the first microscope?
Answer:
Hans and Zacharias Janssen
Explanation:
Answer
Zaccharias Janssen and Hans Lipperhey
Explanation:
im smort
The atrioventricular valve consist of which of the following?
Answer:
posting my fren. D all
Explanation:
Which features are present in both a plant cell and a bacterial cell?
Answer:
They both have a cell membrane, and cell organelles (nucleus, mitochondria and endoplasmic reticulum)
Explanation:
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Answer:
I answered this....check for the other question u posted it has the answer:)
Is this poison sumac?
Answer:
Definitely not
Explanation:
Usually they have clusters of small green or white berries on them, as well as smaller, glossier looking leaves.
stomata are found on the surface of leaves and are important for
Answer: Filtering gas in and out of the plant.
Explanation:
The Stomata are like little mouths that open and close to let gas in or out, and can change the color of the leaves.
What is a specific way that we could test the idea that the bacteria close to and farther away from the rings are different from each other?
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A way you could test if bacteria are different is through Gram Staining
Despite all bacteria are prokaryotic organisms, there are thousands of bacteria species and each species has different characteristics.
Moreover, bacteria are classified into two main groups:
Gram-negative bacteriaGram-positive bacteriaThese differ in their structure as gram-positive bacteria have a thick peptidoglycan layer, while gram-negative bacteria have a thin peptidoglycan layer and an external layer.
This key difference is essential when classifying bacteria because there are specific species for each type. Moreover, this can be tested through Gram staining, as this will show gram-positive bacteria as purple and gram-negative ones as pink or red.
Note: This question is incomplete because the context is not provided; however, this is the answer based on general knowledge
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The main function of the
rough endoplasmic reticulum is the production of
The main function of the Rough Endoplasmic Reticulum is the production of membrane and proteins secreted by the cell.
What is Endoplasmic Reticulum?The endoplasmic reticulum serves as the transport system of the eukaryotic cell, with many other important functions such as protein folding. It is a type of organelle made up of two subunits –
1. Rough endoplasmic reticulum (RER)
2. Smooth endoplasmic reticulum (SER)
It has a continuous nuclear envelope. The endoplasmic reticulum contains ribosomal granules anchored to the cytoplasmic surface of the cisternae is involved in the synthesis and secretion of proteins through membrane-bound vesicles called ergastoplasms.
Thus, the main function of the Rough Endoplasmic Reticulum is the production of membrane and proteins secreted by the cell.
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about 90% of the cells of the epidermis are of which type?
Answer:
Keratinocytes - 90% of the epidermal cells are keratinocytes, cells which produce keratin, a fibrous protein.
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Answer:
Keratinocytes
90% of the epidermal cells are keratinocytes, cells which produce keratin, a fibrous protein.
what a spring tide is
Explanation:
spring tide, tide of maximal range, near the time of new and full moon when the Sun and Moon —i.e., aligned with the Earth. Conjunction is the time during new moon when the Sun and Moon lie on the same side of the Earth.
What is the best definition of direct cause of disease?
A. a cause that directly leads to an abnormal condition without interference
B. a cause that eventually leads to an normal condition without interference
C. a cause that indirectly leads to an abnormal condition with interference
D. a cause that directly leads to a normal condition without interference
Answer:
D. a cause that directly leads to a normal condition without interference
Explanation:
Direct contact infections spread when disease-causing microorganisms pass from the infected person to the healthy person via direct physical contact with blood or body fluids.
Which process must occur for a muscle to be able to relax?
O A The amount of ATP in the neuromuscular junction must increase.
O B. Myosin and actin must attach to each other.
O C. A nerve must initiate an action potential in the muscle fiber.
O D. The concentration of calcium in the myJfibril must decrease.
how does the cell membrane aid the cell in maintaining homeostasis?
Explanation:
Cell membranes enable organisms to maintain homeostasis by regulating the materials that may enter or leave a cell.
Some materials easily cross the cell membrane without the input of energy, other materials require energy input in order to cross through the cell membrane.
during which phase of the cell cycle are the chromosomes duplicated?
The chromosomes duplicate during the S phase.
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What are scientific names and functions of ;
(1) Red blood cells
(2) White blood cells
Answer:
1) Red blood cells - Erythrocytes
2) White blood cells- Leukocytes
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This picture shows part of a mangrove swamp in the Florida Everglades. Mangroves are trees that can live in fresh water or salt water. This means that the Everglades is most likely
Answer:
The answer is B (An estuary)
Explanation
The picture depicts a mangrove swamp within Florida Everglades. This means that the Everglades is most likely Estuary due to the presence of mangrove trees thriving in both freshwater and saltwater environments. The correct option is (B).
The picture shows a mangrove swamp in a section of the Florida Everglades. Mangroves are unusual trees that have the amazing capacity to thrive in both freshwater and saltwater environments. Estuaries, where rivers meet the sea and create a setting with variable salt levels, are notable for this adaptability.
The Florida Everglades is a perfect example of an estuary environment since the coexistence of mangroves in this ecosystem implies the presence of brackish water, which is a mixture of freshwater and seawater. Estuaries are key for maintaining a variety of wildlife and offering crucial ecological functions.
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The given question is incomplete, complete question is- "This means that the Everglades is most likely
(A) a lake.
(B) an estuary.
(C) a river.
(D) deep ocean"
Write one scientific question about the organism in the photo
Answer:
What's the scientific name of sunflower?
From what did it evolve from?
where would you expect to find the receptor for a nonpolar ligand?
Answer:
found in the cytoplasm of the cell
Explanation:
Bio Trad Bench 1 Jackson MS 2021-2022
Section 1
2 of 302 of 30 Items
Item 2
A scientist performs an experiment where part of a viral sample is placed in a nutrient solution with bacteria and the other part in a nutrient solution without bacteria. Over the next two days, each solution is analyzed every two hours to measure the total amount of viral DNA.
Does the data support that the virus is a living thing?
Yes. The total amount of viral DNA increases or stays the same in both samples.
Yes. The total amount of viral DNA increases or stays the same in both samples.
Yes. The total amount of viral DNA increases when there is a source of nutrients.
Yes. The total amount of viral DNA increases when there is a source of nutrients.
No. The total amount of viral DNA with bacteria never shows a decrease in concentration.
No. The total amount of viral DNA with bacteria never shows a decrease in concentration.
No. The total amount of viral DNA only increases in the presence of another living thing.
No. The total amount of viral DNA only increases in the presence of another living thing.
which rna type is the most abundant in mammalian cells?
how does the inclusion of cholesterol affect animal cell membranes?
Answer:
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Explanation:
Which of the following contain(s) oxygenated blood?
*its Arterioles edgBz21 pls pst
Answer:
c. Arterioles is correct
Explanation:
Which organism would most likely be found in the benthic zone?
A. crab
B. shark
C. whale
D. zooplankton
Answer:
Crab
Explanation:
Life on the Arctic Deep Sea Floor. Animals that live on the sea floor are called benthos. Most of these animals lack a backbone and are called invertebrates. Typical benthic invertebrates include sea anemones, sponges, corals, sea stars, sea urchins, worms, bivalves, crabs, and many more.
on an island there are three mice populations. Population 2 cannot contact populations 1 and 3. What name is given to this situation?
Answer:
Isolation
Explanation:
On a island, there are three mice population in which one population cannot contact other populations. This situation is an example of allopatric speciation.
What is Allopatric speciation?Allopatric speciation is also referred to as geographic speciation. It is also called vicariant speciation. Allopatric speciation is a mode of speciation which occurs when the biological populations become geographically isolated from each other to an extent that it prevents or interferes with the normal gene flow in a population.
There are several factors which are required for the allopatric speciation to take place such as isolation of a population, time, and natural selection in an environment. Earthquakes, floods, and migration all are the ways through which a group of individuals of the same species can become isolated.
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which would be a violation of the CITIES treaty
Answer:
Nobody knows you didnt put any choices i d i o t
Explanation:
Answer:
Crime also involves violations of the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES), which regulates exports, imports, and re-exports of wildlife.
the ________ response cycle includes four phases including excitement, plateau, orgasm, and resolution.
Starts with an S ends with an L.
Rhymes with usual (Big Brain thinking)
Natural laws are:
a. a process of discovering the answers to questions.
b. a preliminary explanation.
c.rules that explain how all things in the entire universe always behave.
d. a form of inquiry.
Answer:
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What’s the answer to these questions
ray4918 here to help ..
Somebody help me please
Answer:
C) Unsaturated fats
Explanation:
Unsaturated fat is liquid at room temperature. It is mostly in oils from plants. If you eat unsaturated fat instead of saturated fat, it may help improve your cholesterol levels.
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What four substances are recycled during photosynthesis and respiration
Answer:
Carbon Dioxide, Glucose, Water, and Oxygen
Explanation:
Photosynthesis occurs in autotrophic green plants, some bacteria and algae. It uses pigments to absorb light energy to power reactions that make carbohydrates. Respiration is the reverse of photosynthesis because it breaks down carbohydrates to release ATP.
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